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 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.jmx.snmp.internal;

import com.sun.jmx.snmp.SnmpTooBigException;
import com.sun.jmx.snmp.SnmpStatusException;
import com.sun.jmx.snmp.SnmpUnknownSecModelException;
import com.sun.jmx.snmp.SnmpSecurityException;
import com.sun.jmx.snmp.SnmpSecurityParameters;

/**
 * Security sub system interface. To allow engine integration, a security sub system must implement this interface.
 * <p><b>This API is a Sun Microsystems internal API  and is subject
 * to change without notice.</b></p>
 */
public interface SnmpSecuritySubSystem extends SnmpSubSystem {
    /**
    * Instantiates an <CODE>SnmpSecurityCache</CODE> that is dependant to the model implementation. This call is routed to the dedicated model according to the model ID.
    * @param id The model ID.
    * @return The model dependant security cache.
    */
    public SnmpSecurityCache createSecurityCache(int id) throws SnmpUnknownSecModelException;

    /**
     * To release the previously created cache. This call is routed to the dedicated model according to the model ID.
     * @param id The model ID.
     * @param cache The security cache to release.
     */
    public void releaseSecurityCache(int id, SnmpSecurityCache cache) throws SnmpUnknownSecModelException;

    /**
    * Called when a request is to be sent to the network. It must be securized. This call is routed to the dedicated model according to the model ID.
    * <BR>The specified parameters are defined in RFC 2572 (see also the {@link com.sun.jmx.snmp.SnmpV3Message} class).
    * @param cache The cache that has been created by calling <CODE>createSecurityCache</CODE> on this model.
    * @param version The SNMP protocol version.
    * @param msgID The current request id.
    * @param msgMaxSize The message max size.
    * @param msgFlags The message flags (reportable, Auth and Priv).
    * @param msgSecurityModel This current security model.
    * @param params The security parameters that contain the model dependant parameters.
    * @param contextEngineID The context engine ID.
    * @param contextName The context name.
    * @param data The marshalled varbind list
    * @param dataLength The marshalled varbind list length.
    * @param outputBytes The buffer to fill with securized request. This is a representation independant marshalled format. This buffer will be sent to the network.
    * @return The marshalled byte number.
    */
    public int generateRequestMsg(SnmpSecurityCache cache, int version, int msgID, int msgMaxSize, byte msgFlags, int msgSecurityModel, SnmpSecurityParameters params, byte[] contextEngineID, byte[] contextName, byte[] data, int dataLength, byte[] outputBytes) throws SnmpTooBigException, SnmpStatusException, SnmpSecurityException, SnmpUnknownSecModelException;

    /**
     * Called when a response is to be sent to the network. It must be securized. This call is routed to the dedicated model according to the model ID.
     * <BR>The specified parameters are defined in RFC 2572 (see also the {@link com.sun.jmx.snmp.SnmpV3Message} class).
     * @param cache The cache that has been created by calling <CODE>createSecurityCache</CODE> on this model.
     * @param version The SNMP protocol version.
     * @param msgID The current request id.
     * @param msgMaxSize The message max size.
     * @param msgFlags The message flags (reportable, Auth and Priv).
     * @param msgSecurityModel This current security model.
     * @param params The security parameters that contain the model dependant parameters.
     * @param contextEngineID The context engine ID.
     * @param contextName The context name.
     * @param data The marshalled varbind list
     * @param dataLength The marshalled varbind list length.
     * @param outputBytes The buffer to fill with securized request. This is a representation independant marshalled format. This buffer will be sent to the network.
     * @return The marshalled byte number.
     */
    public int generateResponseMsg(SnmpSecurityCache cache, int version, int msgID, int msgMaxSize, byte msgFlags, int msgSecurityModel, SnmpSecurityParameters params, byte[] contextEngineID, byte[] contextName, byte[] data, int dataLength, byte[] outputBytes) throws SnmpTooBigException, SnmpStatusException, SnmpSecurityException, SnmpUnknownSecModelException;

    /**
    * Called when a request is received from the network. It handles authentication and privacy. This call is routed to the dedicated model according to the model ID.
    * <BR>The specified parameters are defined in RFC 2572 (see also the {@link com.sun.jmx.snmp.SnmpV3Message} class).
    * @param cache The cache that has been created by calling <CODE>createSecurityCache</CODE> on this model.
    * @param version The SNMP protocol version.
    * @param msgID The current request id.
    * @param msgMaxSize The message max size.
    * @param msgFlags The message flags (reportable, Auth and Priv)
    * @param msgSecurityModel This current security model.
    * @param params The security parameters in a marshalled format. The informations cointained in this array are model dependant.
    * @param contextEngineID The context engine ID or null if encrypted.
    * @param contextName The context name or null if encrypted.
    * @param data The marshalled varbind list or null if encrypted.
    * @param encryptedPdu The encrypted pdu or null if not encrypted.
    * @param decryptedPdu The decrypted pdu. If no decryption is to be done, the passed context engine ID, context name and data could be used to fill this object.
    * @return The decoded security parameters.
    
    */
    public SnmpSecurityParameters processIncomingRequest(SnmpSecurityCache cache, int version, int msgID, int msgMaxSize, byte msgFlags, int msgSecurityModel, byte[] params, byte[] contextEngineID, byte[] contextName, byte[] data, byte[] encryptedPdu, SnmpDecryptedPdu decryptedPdu) throws SnmpStatusException, SnmpSecurityException, SnmpUnknownSecModelException;

    /**
    * Called when a response is received from the network. It handles authentication and privacy. This call is routed to the dedicated model according to the model ID.
    * <BR>The specified parameters are defined in RFC 2572 (see also the {@link com.sun.jmx.snmp.SnmpV3Message} class).
    * @param cache The cache that has been created by calling <CODE>createSecurityCache</CODE> on this model.
    * @param version The SNMP protocol version.
    * @param msgID The current request id.
    * @param msgMaxSize The message max size.
    * @param msgFlags The message flags (reportable, Auth and Priv).
    * @param msgSecurityModel This current security model.
    * @param params The security parameters in a marshalled format. The informations cointained in this array are model dependant.
    * @param contextEngineID The context engine ID or null if encrypted.
    * @param contextName The context name or null if encrypted.
    * @param data The marshalled varbind list or null if encrypted.
    * @param encryptedPdu The encrypted pdu or null if not encrypted.
    * @param decryptedPdu The decrypted pdu. If no decryption is to be done, the passed context engine ID, context name and data could be used to fill this object.
    * @return The security parameters.
    
    */
    public SnmpSecurityParameters processIncomingResponse(SnmpSecurityCache cache, int version, int msgID, int msgMaxSize, byte msgFlags, int msgSecurityModel, byte[] params, byte[] contextEngineID, byte[] contextName, byte[] data, byte[] encryptedPdu, SnmpDecryptedPdu decryptedPdu) throws SnmpStatusException, SnmpSecurityException, SnmpUnknownSecModelException;
}
